Finding the Fourth Proportional to 151,425.58, 208,976.56 and 83,442.56

Step by Step Solution

1. Step 1: Write the proportion equation
   151,425.58 : 208,976.56 = 83,442.56 : x
2. Step 2: Convert to fraction form
   151,425.58/208,976.56 = 83,442.56/x
3. Step 3: Cross multiply
   151,425.58x = 208,976.56 × 83,442.56
4. Step 4: Simplify right side
   151,425.58x = 17,437,538,729.18
5. Step 5: Solve for x
   x = 17,437,538,729.18/151,425.58
6. Step 6: Final answer
   x = 115,155.84